Home / 9,180.50-13,779.86-4,251.24

Finding the Fourth Proportional to 9,180.50, 13,779.86 and 4,251.24

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Solution

The fourth proportional to 9,180.50, 13,779.86 and 4,251.24 is: 6,381.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.50 : 13,779.86 = 4,251.24 : x
  2. Step 2: Convert to fraction form
    9,180.50/13,779.86 = 4,251.24/x
  3. Step 3: Cross multiply
    9,180.50x = 13,779.86 × 4,251.24
  4. Step 4: Simplify right side
    9,180.50x = 58,581,470.77
  5. Step 5: Solve for x
    x = 58,581,470.77/9,180.50
  6. Step 6: Final answer
    x = 6,381.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.